Could not "snap" 9V battery in place.
19782
I had to apply pressure on the battery cover while I was turning the screw.
345635
Do you mean that the connectors for (+) and (-) terminals of 9V battery have collapsed? Try using a long-nose piler to gently bend the connector back into shape. If that doesn't work, go to Radio Shack and get a replacement connector and solder it to the charger. Just make sure you get the polarity correct.
1860175
Make sure to have the positive side (of the battery) facing down on the battery cover.Hope this helps.
435305
Did you try flipping the battery over so the correct metal contacts are aligned with the contacts on the charger. I have made this mistake myself once in a while.
501952
You probably already fixed this, but I ran into the same problem last night. The cause? The door on the battery compartment was not closed completely. It *looked* closed, but it wasn't. I opened the door to check the batteries and when I closed the door I saw a tiny little gap. Pushing down on the door caused it to click into place and everything worked.
1738073
I had the same problem. The battery is a really tight fit in the charger but I was able to get it out with a little persistence.
18039
Nevermind, I figured it out. I just didn't snap it in hard enough. Thanks anyway.
2195970
We had the same issue but you need to make sure the battery cover is twisted clockwise until it pops into place.
2198023
screw bottom off. put battery in. screw bottom back on. if it works, hooray. if not, try flipping the battery. battery should be 50% or newer to get the best experience. if it still doesn't work, you may have an d.o.a... contact your seller.
891747
The negative side of the battery always sits on the springs. Press that side in first and the positive side snaps in place.
655288
Yes, very difficult. Actually just ordered the 9.6V battery and smart charger. Also, I found it easier to install the battery if you trim the line that is in the inside of the hand guard where it stops the battery from shaking. Hope this helps!
18723
I had same problem. Poor design and no instructions included. I ended up breaking the clip to the cover to get to the battery compartment.
1163534
I was pretty sure it took a 9v, I just opened mine to confirm. 9 volt. Take care...
2022040
Ive just tried this now, hooking the NP20 battery to a 9 volt and it appears to be working for me, with the light staying on. Fingers crossed.
1888900
Try chenging the orientation of the batteries To flip plop. Thats what happened to me.
2131220
Did you change the code? If not, take the battery out and roll it in your hands. Replace and try again.
1224045
unfortunately not... and its not your standard 9V connector either. your best bet is a 9V battery, this thing uses hardly any power and one lasts me a good long while